#include "node.h"
#include "node_i18n.h"
#include "env.h"
#include "env-inl.h"
#include "util.h"
#include "util-inl.h"

namespace node {

using v8::Context;
using v8::Local;
using v8::Object;
using v8::ReadOnly;
using v8::Value;

// The config binding is used to provide an internal view of compile or runtime
// config options that are required internally by lib/*.js code. This is an
// alternative to dropping additional properties onto the process object as
// has been the practice previously in node.cc.

#define READONLY_BOOLEAN_PROPERTY(str)                \
    do {                                              \
        target->DefineOwnProperty(env->context(),     \
                  OneByteString(env->isolate(), str), \
                  True(env->isolate()), ReadOnly)     \
            .FromJust();                              \
    } while (0)

void InitConfig(Local<Object> target,
    Local<Value> unused,
    Local<Context> context)
{
    Environment* env = Environment::GetCurrent(context);
#ifdef NODE_HAVE_I18N_SUPPORT

    READONLY_BOOLEAN_PROPERTY("hasIntl");

#ifdef NODE_HAVE_SMALL_ICU
    READONLY_BOOLEAN_PROPERTY("hasSmallICU");
#endif // NODE_HAVE_SMALL_ICU

    if (flag_icu_data_dir)
        READONLY_BOOLEAN_PROPERTY("usingICUDataDir");
#endif // NODE_HAVE_I18N_SUPPORT

    if (config_preserve_symlinks)
        READONLY_BOOLEAN_PROPERTY("preserveSymlinks");
} // InitConfig

} // namespace node

NODE_MODULE_CONTEXT_AWARE_BUILTIN(config, node::InitConfig)
